ARTU
5/32" porcelain plus tile bit and 5/32" pilot, the diamond ground porc plus cuts nice, clean holes with very little or no chipping, ideal for drilling porcelain tiles up to a scratch hardness of 8.
Century Drill And Tool Screwdriver Bit Slotted 5/16″ Tip 6″ Length
Diamond Plus Hole Saw, 1-In.
K-T Industries Cutting Wheel 4-1/2" X 1/8" X 7/8"
Century Bit Holder Magnetic 1/4″ Insert Hex 1/4″ Shank Hex
K-T Industries Cutting Wheel 4-1/2" X 1/16" X 7/8"